Section 1. Introduction to plant Virology Section 2. Viral diseases of field crops Section 3. Viral diseases of vegetables/ Horticultural crops Section 4. Viral diseases of Orchids Section 5. Viral diseases of flowering and non-flowering trees Section 6. Viral diseases of weeds (Alternate hosts of many viruses) Section 7. Plant viruses' applications in nanotechnology Section 8. Food borne viral disease Section 9. Molecular Detection and Cryotherapy elimination of plant viruses Section 10. Emergence of companies for plant virus detection